.page-news .news-mast {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-news .news-mast-main h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: clamp(27px, 6vw, 40px);
  line-height: 1.16;
  color: var(--sea-blue);
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .news-side {
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  border-radius: var(--r-m);
  padding: 20px 22px;
  box-shadow: var(--sh-1);
}

.page-news .news-side-title {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-news .news-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .news-side-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .news-side-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---- 图片 ---- */
.page-news .news-hero {
  margin: 34px 0 0;
}

.page-news .news-series-banner {
  margin: 0 auto 32px;
  max-width: 880px;
}

.page-news .media {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--sea-blue);
}

.page-news .news-hero .media {
  aspect-ratio: 15 / 8;
}

.page-news .news-series-banner .media {
  aspect-ratio: 3 / 2;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .media-cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .media-figure {
  margin: 0;
  min-width: 0;
}

/* ---- 区块标题 ---- */
.page-news .news-sec-head {
  max-width: 64ch;
  margin: 0 0 26px;
}

.page-news .news-sec-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 28px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--sea-blue);
  margin: 10px 0 0;
}

.page-news .news-sec-head .news-sec-lead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 42em;
}

/* ---- 最新条目 ---- */
.page-news .news-latest-grid {
  gap: 30px;
  align-items: start;
}

.page-news .news-feed {
  min-width: 0;
}

.page-news .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-news .tab {
  appearance: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  padding: 9px 17px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--slate);
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-news .tab:hover {
  border-color: var(--signal);
  color: var(--sea-blue);
}

.page-news .tab[aria-selected="true"] {
  background: var(--sea-blue);
  border-color: var(--sea-blue);
  color: var(--mist);
}

.page-news .news-stream {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-news .news-stream::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--signal) 0%, var(--line) 68%, transparent 100%);
}

.page-news .news-item {
  position: relative;
  padding-bottom: 28px;
}

.page-news .news-item:last-child {
  padding-bottom: 6px;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(18, 214, 192, .18);
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-news .news-item-time {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-news .news-item-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.42;
  color: var(--sea-blue);
}

.page-news .news-item-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .news-item-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 12px;
  font-size: 13px;
}

.page-news .news-item-links a {
  color: var(--sea-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 1px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-item-links a:hover,
.page-news .news-item-links a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-news .news-latest-aside {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-news .news-latest-aside .notice a {
  color: var(--sea-blue);
  border-bottom: 1px solid var(--signal);
  text-decoration: none;
}

/* ---- 专题系列 ---- */
.page-news .news-series-grid {
  display: grid;
  gap: 18px;
}

.page-news .news-series-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  min-width: 0;
}

.page-news .news-series-num {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-news .news-series-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.35;
  color: var(--sea-blue);
}

.page-news .news-series-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--slate);
}

.page-news .news-series-count {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--sea-blue);
  background: var(--shoal);
  border-radius: var(--r-pill);
  padding: 4px 12px;
}

.page-news .news-series-card .fold {
  margin-top: 4px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-news .news-series-card .fold-sum {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sea-blue);
  cursor: pointer;
}

.page-news .news-series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .news-series-list li {
  position: relative;
  padding-left: 14px;
}

.page-news .news-series-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}

/* ---- 阅读路径 ---- */
.page-news #latest,
.page-news #path {
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-news .news-path-grid {
  gap: 32px;
  align-items: start;
}

.page-news .news-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-news .news-steps .step + .step {
  margin-top: 26px;
}

.page-news .news-steps .step-num {
  font-size: 12px;
  letter-spacing: .1em;
}

.page-news .news-steps .step-title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--sea-blue);
}

.page-news .news-steps .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .news-steps .step p.news-step-more {
  margin-top: 12px;
  font-size: 13.5px;
}

.page-news .news-steps .news-step-more a {
  color: var(--sea-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 1px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-steps .news-step-more a:hover,
.page-news .news-steps .news-step-more a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-news .news-path-aside {
  min-width: 0;
}

/* ---- 反馈入口 ---- */
.page-news .news-callout {
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: var(--r-m);
}

.page-news .news-callout-body h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 23px);
  line-height: 1.3;
  color: var(--sea-blue);
}

.page-news .news-callout-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 56em;
}

.page-news .news-callout-body a {
  color: var(--sea-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
}

.page-news .news-callout-body a:hover,
.page-news .news-callout-body a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-news .news-callout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---- 平板及以上 ---- */
@media (min-width: 680px) {
  .page-news .news-series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .news-item {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    padding-bottom: 30px;
  }

  .page-news .news-item-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 0;
    padding-top: 2px;
  }

  .page-news .news-callout {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 22px;
    padding: 28px 32px;
    align-items: start;
  }

  .page-news .news-hero {
    margin-top: 42px;
  }
}

@media (hover: hover) and (min-width: 760px) {
  .page-news .news-item-links {
    opacity: .72;
    transition: opacity .22s var(--ease);
  }

  .page-news .news-item:hover .news-item-links,
  .page-news .news-item:focus-within .news-item-links {
    opacity: 1;
  }
}

/* ---- 桌面 ---- */
@media (min-width: 900px) {
  .page-news .news-mast {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: end;
    margin-top: 30px;
  }
}

@media (min-width: 1060px) {
  .page-news .news-series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-news .news-series-card:nth-child(even) {
    margin-top: 28px;
  }

  .page-news .news-latest-grid,
  .page-news .news-path-grid {
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tab,
  .page-news .news-item-links,
  .page-news .news-item-links a,
  .page-news .news-steps .news-step-more a,
  .page-news .news-callout-body a {
    transition: none;
  }
}